Properties of the Number 80851

Eighty Thousand Eight Hundred Fifty-One

Basics

Value: 80850 → 80851 → 80852

Parity: odd

Prime: No

Previous Prime: 80849

Next Prime: 80863

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 233 × 347

Divisors: 1, 233, 347, 80851

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 10011101111010011

Octal: 235723

Duodecimal: 3A957

Hexadecimal: 13bd3

Square: 6536884201

Square Root: 284.3431026066924

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers n for which A326073(n) is equal to abs(1+A326146(n)). A326074

Number of walks within N² (the first quadrant of Z²) starting and ending at (0,0) and consisting of n steps taken from {(-1, 0), (-1, 1), (0, -1), (0, 1), (1, -1)}. A151347

a(n) = 66·n² + 1. A158689

Number of strings of n numbers x(i) in -7..7 with sums of x(i) and of x(i)*x(i+1) both zero. A183942

The integer part of the surface area of the 4-dimensional sphere of radius n. A261791

Square array of pyramidal numbers, read by antidiagonals. A80851

T(n,k)=Number of strings of n numbers x(i) in -k..k with sums of x(i) and of x(i)*x(i+1) both zero. A183944